Avast! Free Antivirus is a free antivirus software application which provides comprehensive virus protection for users from virus infection, malware attack, spams, spyware, etc. Even though it is free, this antivirus software provides great protection against virus attack and minimizes security threat compared to the paid products in the market.
Avast offers home users both the Avast! Free Antivirus and Avast! Home Edition for free. However, users might notice Avast! Free Antivirus 5.0 works only for 30 days after installation in trial mode (or 60 days for avast Home 4.8). Users are required to get their free license key and insert the key to their product in order to continue enjoying the free protection up to one year. Users can download Avast! Free Antivirus or Avast! Home Edition and thence go to Avast site to request for a free license for undisrupted use. Users can go tohttp://www.avast.com/registration-free-antivirus.php to register themselves and they will thence receive the valid license key via email. The email will furnish users with a valid software license key and guide users step by step on how to insert the license key to their antivirus software.
Reference: My Digital Life